1. Introduction
This manual provides essential information for setting up, operating, and maintaining your Blackview Color 8 unlocked smartphone. Please read this manual carefully to ensure proper use and to maximize the device's performance and longevity.

Image: The Blackview Color 8 smartphone, showcasing its sleek design and camera module.
2. Package Contents
Verify that all items are present in your Blackview Color 8 package:
- Blackview Color 8 Smartphone
- USB Cable
- Phone Case
- Screen Protector (pre-applied or in box)
- Power Adapter (may vary by region)
- SIM Ejector Tool
- Quick Start Guide
3. Device Layout
Familiarize yourself with the physical components of your Blackview Color 8 smartphone.

Image: A detailed view of the Blackview Color 8, highlighting the 3-card slot, 3.5mm headphone jack, and smart-K box speaker.
- Power Button / Fingerprint Sensor: Located on the side, used to power on/off the device and for fingerprint authentication.
- Volume Buttons: Adjust media and call volume.
- USB Type-C Port: For charging and data transfer.
- 3.5mm Audio Jack: For connecting wired headphones.
- Speaker: Audio output.
- Microphone: For calls and voice recording.
- SIM/SD Card Tray: Holds two Nano SIM cards and one MicroSD/TF card.
- Front Camera: For selfies and video calls.
- Rear Cameras: Main camera and auxiliary lenses.
4. Setup
4.1. Installing SIM and SD Cards
Your Blackview Color 8 supports two Nano SIM cards and one MicroSD/TF card for expanded storage.
- Locate the SIM tray on the side of the phone.
- Insert the SIM ejector tool into the small hole next to the tray and press gently until the tray pops out.
- Place your Nano SIM cards (SIM1 and SIM2) and MicroSD/TF card into the designated slots on the tray, ensuring the gold contacts face downwards.
- Carefully reinsert the tray into the phone until it clicks into place.

Image: A close-up of the Blackview Color 8's triple card slot, showing spaces for two SIM cards and one TF (MicroSD) card.
4.2. Initial Power On and Setup
- Press and hold the Power button until the Blackview logo appears.
- Follow the on-screen prompts to select your language, connect to Wi-Fi, and set up your Google account.
- You will be guided through setting up security features like fingerprint and face unlock.
5. Operating Your Device
5.1. Display and Navigation
The Blackview Color 8 features a 6.75-inch HD+ display with a 90Hz refresh rate for smooth visuals.

Image: The Blackview Color 8's 6.75-inch HD+ display, highlighting its 90Hz refresh rate, 450 nit brightness, and 16.7 million colors.
- Touch Gestures: Swipe, tap, pinch-to-zoom for navigation and interaction.
- Notification Panel: Swipe down from the top of the screen to access notifications and quick settings.
- Dynamic Live View: Provides real-time alerts and updates at the top of the screen without interrupting current tasks.
5.2. Calls and Messaging
Use the Phone app to make and receive calls. The Messages app handles SMS and MMS.
- Making a Call: Open the Phone app, enter the number, and tap the call icon.
- Sending a Message: Open the Messages app, tap 'Start chat', enter recipient and message.
- Call Recording: The device supports call recording functionality, which can be enabled in settings.
5.3. Camera Functions
The Blackview Color 8 is equipped with a 50MP main rear camera and an 8MP front camera.

Image: The Blackview Color 8's 50MP main camera, demonstrating its capability with a panoramic shot and various shooting modes.
- Camera Modes: Access various modes including Panorama, Beauty, Portrait, Night Mode, HDR, and Pro Mode.
- Smart ISO: Automatically adjusts camera sensitivity for optimal color and performance in varying light conditions.
- Face Fill Light: Enhances selfies in low-light environments.
- Video Recording: Supports 1080p video recording.
5.4. Audio Features
Experience clear audio with the integrated 1217 Smart Audio Speakers.
- Speaker Cleaning: A dedicated function to clear dust or debris from the speaker grille.
- 3.5mm Headphone Jack: For private listening with wired headphones.
- FM Radio: Enjoy local radio broadcasts using wired headphones as an antenna.
5.5. Battery Management
The Blackview Color 8 is powered by a 6000mAh battery with 18W fast charging support.

Image: An internal view of the Blackview Color 8, highlighting the 6000mAh battery and 18W charging capability, along with OTG functionality.
- Charging: Use the provided USB Type-C cable and 18W power adapter for optimal charging speed.
- OTG Function: The device supports On-The-Go (OTG) functionality, allowing it to act as a power bank to charge other devices.
- Smart Battery System: Optimizes energy efficiency to reduce battery drain.
5.6. Security Features
Secure your device with multiple biometric options.
- Fingerprint Unlock: Register your fingerprint using the side-mounted sensor for quick and secure access.
- Face ID Unlock: Use the front camera to unlock your device with facial recognition.
5.7. Connectivity
The Blackview Color 8 offers comprehensive connectivity options.
- 4G Network: Supports 4G FDD and WCDMA bands. Compatible with GSM carriers like T-Mobile, Speedtalk, Mint Mobile, etc. (Not compatible with CDMA carriers like AT&T, Verizon).
- Wi-Fi: Supports 5G Wi-Fi for fast internet access.
- Bluetooth 5.0: For connecting wireless accessories.
- GPS: Integrated GPS, GLONASS, Galileo, and Beidou for precise navigation.

Image: A map illustrating the multi-system GPS capabilities (GPS+Glonass+Galileo+Beidou) for accurate positioning.
6. Maintenance
6.1. Battery Care
- Avoid extreme temperatures, which can degrade battery life.
- Do not fully discharge the battery regularly. Charge before it drops below 20%.
- Use only the original or certified compatible charger and cable.
6.2. Software Updates
Your device runs on Android 14 with Doke OS 4.0. Regularly check for system updates to ensure optimal performance and security.
- Go to Settings > System > System Update.
- Follow the on-screen instructions to download and install any available updates.
6.3. Cleaning Your Device
- Use a soft, lint-free cloth to wipe the screen and body.
- Avoid using harsh chemicals or abrasive materials.
- For ports and openings, use a soft brush or compressed air carefully.
7. Troubleshooting
If you encounter issues with your Blackview Color 8, refer to the following common solutions:
| Problem | Solution |
|---|---|
| Device does not power on | Ensure the battery is charged. Connect to a charger for at least 10 minutes, then try powering on again. |
| Poor network signal | Check if SIM card is properly inserted. Try restarting the device. Verify network settings and ensure you are within network coverage. |
| Camera not working | Restart the phone. Clear the cache and data of the Camera app in Settings > Apps. |
| Apps are slow or freezing | Close background apps. Clear app caches. Ensure sufficient storage space. Restart the device. |
| Fingerprint sensor not responding | Ensure your finger is clean and dry. Re-register your fingerprint in Settings > Security. |
8. Specifications
Key technical specifications for the Blackview Color 8 smartphone:
| Feature | Detail |
|---|---|
| Model Name | Color 8 |
| Operating System | Android 14 (Doke OS 4.0) |
| Processor | Octa-core UMS9230T/T616 |
| RAM | 16 GB (8GB physical + 8GB virtual expansion) |
| Internal Storage | 256 GB |
| Expandable Storage | Up to 2 TB via MicroSD/TF card |
| Display Size | 6.75 Inches |
| Display Resolution | 720 x 1600 pixels (HD+) |
| Refresh Rate | 90 Hz |
| Rear Camera | 50 MP |
| Front Camera | 8 MP |
| Battery Capacity | 6000 mAh |
| Charging | 18W Fast Charging |
| SIM Card Slots | Dual Nano SIM + 1 MicroSD/TF card slot |
| Connectivity | 4G LTE, 5G Wi-Fi, Bluetooth 5.0, USB Type-C |
| Navigation | GPS, GLONASS, Galileo, Beidou |
| Audio Jack | 3.5 mm |
| Dimensions | 7 x 1.9 x 1.2 inches |
| Weight | 1.06 pounds |
9. Warranty and Support
Blackview provides a 2-year guarantee service for the Color 8 smartphone. If you encounter any issues or require assistance, please contact Blackview customer support through their official channels. Refer to the warranty card included in your package for specific terms and conditions.





